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cory jones

cory j.

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Poly(ethylene terephthalate), PET, is a condensation polymer used to make plastic soda bot- tles. $e two materials below are used to make PET. $e condensation occurs with loss of water. Draw the structure of a PET fragment. Ethylene glycol 1,4-benzenedicarboxylic acid

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The leading economies of Europe (in terms of GDP) are its so-called "Big 5"; this group includes Germany, France, United Kingdom, Italy, and _____. Question 8 options: Poland Switzerland Sweden Ukraine Spain

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Question 5% BUAN ÇÖZ In the Reliability Block Diagram, Figure Q5, the reliabilities of the units R1, R2, R3 and R4 are 0.85, 0.80, 0.90 and 0.70 respectively. R1 R2 R3 Figure Q5 a) Determine the system reliability. R4 [30%] To improve the reliability of the system in Figure Q5, two options may be considered: i) Active redundancy at the system level, when a second identical system is added; or ii) Active redundancy at the component level, when for each component, a second identical component is added. b) Determine the system reliability for option i); c) Determine the system reliability for option ii); and [20%] [40%] d) Given the answers determined in b) and c) and the possibility of failure during switching, justify which option you would prefer. [10%]

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The first blood cells arise from (1 correct answer): Yolk sac endoderm. Mesodermal wall of the yolk sac. Sclerotome.

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y-axis: EPA+ DHA (g/100g fish) Q3: In which year is the range of EPA + DHA the largest? Q4: What is the approx. range of EPA + DHA for fish)? Q5: In 2009 what percentage of EPA + DHA data is greater than approx. 1.9(g)/(100)g fish? Q6: In 2012 what percentage of EPA + DHA data is less than approx. 2.4(g)/(100)g fish? Q7: For 2009 what percentage of the EPA + DHA data is above approx. 2.4(g)/(100)g fish? Q8: TRUE or FALSE: The interquartile range for EPA + DHA is greater in 2012 than in 2009. Q9: TRUE or FALSE: The data show that in 2009 the EPA + DHA fatty acids had a higher maximum value and a higher minimum value than in 2012. y-axis:EPA+DHA(g/100g fish) 3.5 Q3:In which year is the range of EPA+DHA the largest? 3.0 Q4:What is the approx.range of EPA +DHA for 2012(mg/100g fish)? 2.5 Q5:In 2009what percentage of EPA+DHA data is greater than approx.1.9g/100g fish? 2.0 Q6:In 2012 what percentage of EPA+ DHA data is less than approx.2.4g/100g fish? 1.5 Q7:For 2009 what percentage of the EPA+DHA data is above approx. 2.4g/100g fish? 1.0 2009 2012 Q8: TRUE or FALSE: The interquartile range for EPA + DHA is greater in 2012 than in 2009 Q9: TRUE or FALSE: The data show that in 2009 the EPA +DHA fatty acids had a higher maximum value and a higher minimum value than in 2012

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QI) In the following 1DOF system, and by taking m=4.2 kg, k1=1 kN/m and k2=k3=0.5 kN/m. a) Find the equivalent $k_{eq}$ (of k1, k2 and k3). Use PE=\frac{1}{2}kx^2 b) Find the natural frequency $\omega_n$ c) If the stiffness constant k is given as 100\times(1+Z) N/m, find $\omega_n$ Z = 0 d) Using the k and $\omega_n$ from part c to write the response solution as a function of time Where, x(t) = $A_1$ sin($\omega_n$.t) + $A_2$ cos($\omega_n$.t) $x_0$ = x(0)=0 mm, and $v_0$ = v(0)=1 m/s

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A circle has a radius of 5.5ft. A sector of the circle has a central angle of $\frac{2\pi}{3}$ radians. Find the area of the sector. Do not round any intermediate computations. Round your answer to the nearest tenth.

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The base of a solid is the curve y=sqrt(x) over the interval 0,1. What is the volume of the solid if it is revolved about the x-axis? The base of a solid is the curve y=Vr over the interval [0, 1]. What is the volume of the solid if it is revolved about the x-axis?

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QUESTION 5 What is the relation between the two structures? {(:[H,H,H,H,H]):} {(:[1,1,1,1,1]):} H-C---C=C-C-C-H I 1 । H H,H ,H,H,H,H,H I,1,1,1,1 H-C-C-C=C-C-H 1,1 HH H different compounds the same compound constitutional isomers isomers QUESTION 5 What is the relation between the two structures? HHHH H 1 / - H-C-FC=C-C-CH - - H H H H H. H H H / H-C-C-C=CCH 1 H H H different compounds the same compound . constitutional isomers isomers

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5. Which areas of your hands were the cleanest after washing, and which areas had the most Glo Germ? (2 pt) Cleanest areas: hand Most Glo Germ: Fingers 6. Indicate the sites where microorganisms are likely to be found. (Select all that apply) (1 pt) a. Laboratory bench surface b. Hands c. Surface of sterile agar plate d. Computer keyboard 7. Why can most microbes NOT be cultured in a laboratory? (1 pt) a. This statement is false - any microbe can be grown in a lab. b. The materials needed to grow most microbes are prohibitively expensive. c. Most microbes isolated from the environment die before reaching the lab. d. The conditions needed to grow most microbes are unknown or unable to be replicated. 8. Which of your sources for microbes resulted in the most growth? Which had the least growth? (1 pt) Most growth: Least growth:

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